See if we can get glfw installed on travis

.travis.yml

@@ -1,13 +1,28 @@
+dist: trusty
+group: beta
+sudo: false
 addons:
   apt:
     packages:
         - libfreetype6-dev
         - libglew-dev
-        - libglfw3-dev
-dist: trusty
-group: beta
+        - libxi-dev 
+        - libxrandr-dev 
+        - libxinerama-dev 
+        - libxcursor-dev
 language: python
 python:
   - "3.5"
-script: python setup.py && python setup.py test
-sudo: false
+install:
+    - wget -O glfw-3.2.1.zip https://github.com/glfw/glfw/archive/3.2.1.zip
+    - unzip glfw-3.2.1.zip
+    - cd glfw-3.2.1
+    - cmake -DBUILD_SHARED_LIBS=ON -DGLFW_BUILD_EXAMPLES=OFF -DGLFW_BUILD_TESTS=OFF -DGLFW_BUILD_DOCS=OFF -DCMAKE_INSTALL_PREFIX=$HOME/glfw -DLIB_SUFFIX=/x86_64-linux-gnu
+    - make
+    - make install
+    - cd ..
+    - PKG_CONFIG_PATH=$HOME/glfw/lib/x86_64-linux-gnu/pkgconfig pkg-config --cflags glfw3
+before_script:
+    - PKG_CONFIG_PATH=$HOME/glfw/lib/x86_64-linux-gnu/pkgconfig python setup.py 
+script: 
+    - PKG_CONFIG_PATH=$HOME/glfw/lib/x86_64-linux-gnu/pkgconfig python setup.py test